accommodation angles angular apartment blocks apartments appearances architecture balconies balcony box-like building city complex contrast contrasting dark Designs detailed distinctive elements exterior external glass heights high high-rise light linear lines metal modern modernistic multi-storey multi-story plain quality short-term straight structures style supports tall tower towering units value views windows apartment-blocks art-deco condo condominium façade flats height heritage historic patterns protection safety valuable boxed concrete highrise red shield shielded shielding squared structured alike appearance bay buildings cost costly expense expensive from-above highrise-accommodation hill hillside hillside-accommodation homes Hong Kong looking-down luxury other-side perspectives same sameness sea seaviews similarities water waterside wealth wealthy